Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...

But how many of these elements do you know? Test your knowledge and compete with other Live Science readers to see who can ...

Last week a group of University of California scientists led by Professor Glenn Seaborg told how they created Element 98, which stands six steps up the periodic table (of chemical elements ...

Can you believe the periodic table has been around for over 150 years? Take this quiz to see if you can find the elements. What information do we collect from this quiz? What is the periodic table?

The table shows the melting points of five alkali metals. Use this information to describe how melting point changes in group 1.

An Australian man described as a "science nerd" may face jail time, after attempting to collect all the elements in the periodic table. The periodic table is an arrangement of all the known ...